7940289

素因数分解:

$3^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{2089}}^1$

素因数の和:2280

約数の個数: 16

約数和(自身を含む): 12172160

約数和(自身を除く): 4231871

約数列:

[1, 3, 7, 21, 181, 543, 1267, 2089, 3801, 6267, 14623, 43869, 378109, 1134327, 2646763, 7940289]

約数ペア:

[(1, 7940289), (3, 2646763), (7, 1134327), (21, 378109), (181, 43869), (543, 14623), (1267, 6267), (2089, 3801)]